1 /******************************************************************************* 2 * Copyright 2013-2018 Intel Corporation 3 * All Rights Reserved. 4 * 5 * If this software was obtained under the Intel Simplified Software License, 6 * the following terms apply: 7 * 8 * The source code, information and material ("Material") contained herein is 9 * owned by Intel Corporation or its suppliers or licensors, and title to such 10 * Material remains with Intel Corporation or its suppliers or licensors. The 11 * Material contains proprietary information of Intel or its suppliers and 12 * licensors. The Material is protected by worldwide copyright laws and treaty 13 * provisions. No part of the Material may be used, copied, reproduced, 14 * modified, published, uploaded, posted, transmitted, distributed or disclosed 15 * in any way without Intel's prior express written permission. No license under 16 * any patent, copyright or other intellectual property rights in the Material 17 * is granted to or conferred upon you, either expressly, by implication, 18 * inducement, estoppel or otherwise. Any license under such intellectual 19 * property rights must be express and approved by Intel in writing. 20 * 21 * Unless otherwise agreed by Intel in writing, you may not remove or alter this 22 * notice or any other notice embedded in Materials by Intel or Intel's 23 * suppliers or licensors in any way. 24 * 25 * 26 * If this software was obtained under the Apache License, Version 2.0 (the 27 * "License"), the following terms apply: 28 * 29 * You may not use this file except in compliance with the License. You may 30 * obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 31 * 32 * 33 * Unless required by applicable law or agreed to in writing, software 34 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 35 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 36 * 37 * See the License for the specific language governing permissions and 38 * limitations under the License. 39 *******************************************************************************/ 40 41 /* 42 // 43 // Purpose: 44 // Cryptography Primitive. 45 // RSA Functions 46 // 47 */ 48 49 #include "owncp.h" 50 #include "pcpbn.h" 51 #include "pcpngrsa.h" 52 #include "pcpngrsamethod.h" 53 54 static gsMethod_RSA* getDefaultMethod_RSA_private(int modulusBitSize) 55 { 56 gsMethod_RSA* m; 57 58 #if(_IPP32E>=_IPP32E_K0) 59 m = IsFeatureEnabled(ippCPUID_AVX512IFMA) ? gsMethod_RSA_avx512_private() : gsMethod_RSA_avx2_private(); 60 61 #elif(_IPP32E>=_IPP32E_L9) 62 m = IsFeatureEnabled(ippCPUID_ADCOX) ? gsMethod_RSA_gpr_private() : gsMethod_RSA_avx2_private(); 63 64 #elif(_IPP>=_IPP_W7) 65 m = gsMethod_RSA_sse2_private(); 66 67 #else 68 m = gsMethod_RSA_gpr_private(); 69 #endif 70 71 if (!(m->loModulusBisize <= modulusBitSize && modulusBitSize <= m->hiModulusBisize)) 72 m = gsMethod_RSA_gpr_private(); 73 return m; 74 }